Refrigerator



FIG. 1 is a front perspective view of a refrigerator, showing my newdesign, the broken line showing of the handle is for illustrativepurposes only, and forms no part of the claimed design;

FIG. 2 is a top plan view thereof;

FIG. 3 is a front elevational view thereof with handles omitted forclarity;

FIG. 4 is a left side elevational view; and,

FIG. 5 is a right side elevational view.

The ornamental design for a refrigerator, as shown and described.